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In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.

In this activity, learners explore how genetic switches function and the role of genetic switches in the process of evolution.

In this group activity, learners will explore the characteristics, functions and uniqueness of the mangrove tree.

In this activity (p.5-6 of PDF), learners investigate natural selection. Learners discover that natural selection, which takes place over decades, can lead to altered populations within a species.